Over the past decade, the Medicare Shared Savings Program (MSSP) has grown from 220 Accountable Care Organizations (ACOs) at its start to nearly 500 ACOs across the nation. However, the growth in the number of ACOs and assigned beneficiaries have both ground to a halt over the past several years. On Tuesday, November 1, 2022, the Center for Medicare and Medicaid Services (CMS) issued the 2023 Medicare Physician Fee Schedule (MPFS) Final Rule, finalizing a series of impactful policy changes aimed at reversing these trends. Through these program updates, CMS aims to revitalize this program through policies that broadly fall into the following categories: increasing participation, adjusting the benchmark calculation, and reducing administrative burden.
